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Find the cost of polishing a …

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Find the cost of polishing a circular table top of diameter 14m if the rate of polishing RS 20 per m2

Posted by Vinayak Choudhari. 6 years, 10 months ago

CBSE > Class 07 > Mathematics

4 answers

Ram Kushwah 6 years, 10 months ago

d=2r =14/2 r =7cm area of circle=πr^2 =3.14x7x7 =153.86 m^2 rate of polishing=20 per m^2 153.86*20 =3077.2

Dharmendra Kushwaha 6 years, 10 months ago

3080 rs

Vishal Verma 6 years, 10 months ago

3080$

Sudha Kumari 6 years, 10 months ago

and and what the value of Pi

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